On 02/04/2010 14:57, Chris Maness wrote: > If you keep the Ferric Chloride in a container with a lid and add a bit of >> HCl every few months before a use, it will etch PCBs for years if you use >> air bubbler agitation. Better to keep it. >> > > That works for FeCl3 too? I thought that was just for CuCl2 solution. It will be mostly cupric chloride, after some time. Leon -- Leon Heller G1HSM
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Re: [Homebrew_PCBs] Old etch
2010-04-02 by Leon Heller